核电厂两根“内含缺陷”管的运行跟踪检查及研究

(,430074),,IN-SERVICEMONITORINGOFTHETUBESWITHINNERDEFECTSINNUCLEARPOWERPLANTYangBaochu(ResearchInstituteofNuclearPowerOperation)AbstractTheconclusionmadeinpre2serviceinspectionthatinnerdefectsexistedinthetwotubesofnuclearpowerplantwascorrectedbyin2servicemonitoringandresearchbasedonrelativetheory.Alsogivenwastheirexactcharacter.KeywordsHeattransmissiontubesEddycurrentinspectionSignalanalysis1991100%,(PV),PV(6,53)(38,19)37%34%,(6,53)(1)1,,,7a(),11991(PSI)1998(ISI),,PSI37%3V,,20%(6,53)MRPC,2.3mm1.2mm(2)2.5mm38%20%Bobbin,36%20%,6.26V3V(3),(6,53),,3V20%,2.5mm37%,6VISI1722220002NDTVol.22No.2Feb.2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.23419974,,0.57V(4),37%,,,,,Fe3O4,,,,5%,,,,,,0.1mm,2mm1.2mm(6,53)PSI(5),25V,,,,527a,,1.(6).:,1988.:199920621627:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.